Re: [Boost-users] Boost Variant OutputStreamable

From: Peter Dimov (pdimov_at_[hidden])
Date: 2006-06-26 07:25:27

Ovanes Markarian wrote:

> namespace boost
> {
>        template <typename T>
>        std::ostream& operator<<(std::ostream& os, const
>        std::vector<T>& v) {
>                for(typename std::vector<T>::size_type i = 0; i <
>                        v.size(); ++i) os << v[i] << std::endl;
>
>                return os;
>        }
> }

No, this is not correct (even though it works with VC) and has nothing to do 
with boost::variant.

The only correct place for this operator<< is in namespace std. Of course 
you aren't supposed to put things there, but...